Updated samba packages has been released for Debian:

[DLA 951-1] samba security update
[DSA 3860-1] samba security update

[DLA 951-1] samba security update

Package : samba
Version : 2:3.6.6-6+deb7u13
CVE ID : CVE-2017-7494

steelo discovered a remote code execution vulnerability in Samba, a
SMB/CIFS file, print, and login server for Unix. A malicious client with
access to a writable share, can take advantage of this flaw by uploading
a shared library and then cause the server to load and execute it.

For Debian 7 "Wheezy", these problems have been fixed in version
2:3.6.6-6+deb7u13.

We recommend that you upgrade your samba packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

[DSA 3860-1] samba security update

- -------------------------------------------------------------------------
Debian Security Advisory DSA-3860-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
May 24, 2017 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : samba
CVE ID : CVE-2017-7494

steelo discovered a remote code execution vulnerability in Samba, a
SMB/CIFS file, print, and login server for Unix. A malicious client with
access to a writable share, can take advantage of this flaw by uploading
a shared library and then cause the server to load and execute it.

For the stable distribution (jessie), this problem has been fixed in
version 2:4.2.14+dfsg-0+deb8u6.

We recommend that you upgrade your samba packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/